[DEBUG] [11/12/2025 00:45:37.564] [main] [EventStream(akka://test)] logger log1-TestEventListener started 12:45:37,564 AM [test-akka.actor.default-dispatcher-4] [INFO] Slf4jLogger - Slf4jLogger started [DEBUG] [11/12/2025 00:45:37.564] [main] [EventStream(akka://test)] logger log2-Slf4jLogger started [DEBUG] [11/12/2025 00:45:37.564] [main] [EventStream(akka://test)] Default Loggers started [INFO] [11/12/2025 00:45:37.578] [main] [ArteryTransport(akka://test)] Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.150:25520] with UID [409844527767131076] 12:45:37,583 AM [test-akka.actor.default-dispatcher-6] [INFO] ArteryTransport - Remoting started with transport [Artery tcp]; listening on address [akka://test@10.30.170.150:25520] with UID [409844527767131076] [INFO] [11/12/2025 00:45:37.584] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Starting up, Akka version [2.6.21] ... 12:45:37,584 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Starting up, Akka version [2.6.21] ... [INFO] [11/12/2025 00:45:37.586] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Registered cluster JMX MBean [akka:type=Cluster] 12:45:37,587 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Registered cluster JMX MBean [akka:type=Cluster] [INFO] [11/12/2025 00:45:37.587] [main] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Started up successfully 12:45:37,587 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Started up successfully [INFO] [11/12/2025 00:45:37.588] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing [INFO] [11/12/2025 00:45:37.588] [test-akka.actor.internal-dispatcher-2] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 12:45:37,588 AM [test-akka.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - No downing-provider-class configured, manual cluster downing required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#downing 12:45:37,588 AM [test-akka.actor.default-dispatcher-4] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - No seed-nodes configured, manual cluster join required, see https://doc.akka.io/docs/akka/current/typed/cluster.html#joining 12:45:37,603 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:37,603 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:45:37,603 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,603 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.604] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader472#569233574]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.604] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader472#569233574] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,604 AM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader472#569233574] to Actor[akka://test/user/$b] was not delivered. [1] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [11/12/2025 00:45:37.604] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader472#569233574]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.604] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader472#569233574] to Actor[akka://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,604 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader472#569233574] to Actor[akka://test/user/$a] was not delivered. [2] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,604 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 2 in "AppendEntriesReply [term=2, success=true, followerId=follower-1, logLastIndex=2, logLastTerm=2, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5]" message is greater than leader's term 1 - switching to Follower 12:45:37,604 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:45:37,604 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 2 12:45:37,604 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior471#1723445291] 12:45:37,615 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader472#569233574] 12:45:37,616 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender473#-397789400] 12:45:37,617 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:37,617 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-2, follower-1] 12:45:37,617 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.617] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.618] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,618 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.618] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,618 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [3] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,618 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:45:37,618 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [INFO] [akkaDeadLetter][11/12/2025 00:45:37.618] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [4] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,618 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,618 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [11/12/2025 00:45:37.618] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,618 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [INFO] [akkaDeadLetter][11/12/2025 00:45:37.618] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [5] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,619 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-2, follower-1] 12:45:37,619 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,619 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.619] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.619] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,619 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [6] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [11/12/2025 00:45:37.619] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.619] [test-akka.actor.default-dispatcher-6] [akka://test/user/$a] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,619 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:45:37,619 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$a] was not delivered. [7] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$a] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,619 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 12:45:37,619 AM [main] [INFO] MockRaftActorContext - isolated-leader (Leader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:45:37,620 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.620] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader475#-280454164]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.620] [test-akka.actor.default-dispatcher-6] [akka://test/user/$b] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,620 AM [test-akka.actor.default-dispatcher-5] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader475#-280454164] to Actor[akka://test/user/$b] was not delivered. [8] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$b] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,620 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior474#-416925433] 12:45:37,631 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader475#-280454164] 12:45:37,631 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender476#-588838186] 12:45:37,633 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:37,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:45:37,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.634] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [INFO] [akkaDeadLetter][11/12/2025 00:45:37.634] [test-akka.actor.default-dispatcher-6] [akka://test/user/$d] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader478#-1568332975] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,634 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,634 AM [test-akka.actor.default-dispatcher-6] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader478#-1568332975] to Actor[akka://test/user/$d] was not delivered. [9] dead letters encountered. If this is not an expected behavior then Actor[akka://test/user/$d] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. [WARN] [11/12/2025 00:45:37.635] [test-akka.actor.default-dispatcher-6] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,636 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [INFO] [akkaDeadLetter][11/12/2025 00:45:37.636] [test-akka.actor.default-dispatcher-6] [akka://test/user/$c] Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader478#-1568332975] to Actor[akka://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[akka://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,636 AM [test-akka.actor.default-dispatcher-4] [INFO] EmptyLocalActorRef - akkaDeadLetter Message [org.opendaylight.controller.cluster.raft.messages.AppendEntries] from Actor[akka://test/user/leader478#-1568332975] to Actor[akka://test/user/$c] was not delivered. [10] dead letters encountered, no more dead letters will be logged in next [5.000 min]. If this is not an expected behavior then Actor[akka://test/user/$c] may have terminated unexpectedly. This logging can be turned off or adjusted with configuration settings 'akka.log-dead-letters' and 'akka.log-dead-letters-during-shutdown'. 12:45:37,636 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.636] [test-akka.actor.default-dispatcher-4] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] [WARN] [11/12/2025 00:45:37.636] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,636 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-1 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:45:37,636 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.636] [test-akka.actor.default-dispatcher-4] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,636 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntriesReply: follower follower-2 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:45:37,636 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,637 AM [main] [INFO] MockRaftActorContext - IsolatedLeader isolated-leader switching from IsolatedLeader to Leader [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Election: Leader has following peers: [follower-4, follower-3, follower-2, follower-1] 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-4: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: false, followerNextIndex: 1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$d] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-2: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=0, prevLogTerm=1, leaderCommit=-1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=4, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-1: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$b] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,637 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:45:37,637 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Leader, election term: 1 [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$a] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,637 AM [main] [INFO] MockRaftActorContext - isolated-leader (Leader): handleAppendEntriesReply: follower follower-3 last log term 0 for index 0 conflicts with the leader's 1 - set the follower's next index to -1 12:45:37,637 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (Leader): Checking sendAppendEntries for follower follower-3: active: true, followerNextIndex: -1, leaderLastIndex: 1, leaderSnapShotIndex: -1 12:45:37,637 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior477#8361749] [WARN] [11/12/2025 00:45:37.637] [test-akka.actor.default-dispatcher-5] [akka://test/user/$c] received dead letter from Actor[akka://test/user/leader478#-1568332975]: AppendEntries [leaderId=isolated-leader, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]] 12:45:37,648 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader478#-1568332975] 12:45:37,648 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender479#2099206416] 12:45:37,651 AM [main] [INFO] IsolatedLeaderTest - Starting testLeaderSchedulesHeartbeatsEvenWhenNoFollowersRespondToInitialAppendEntries 12:45:37,652 AM [main] [DEBUG] MockRaftActorContext - leader483: Moving last applied index from -1 to 1 12:45:37,652 AM [main] [DEBUG] MockRaftActorContext - leader483 (IsolatedLeader): Election: Leader has following peers: [follower485, follower484] 12:45:37,653 AM [main] [DEBUG] MockRaftActorContext - leader483 (IsolatedLeader): Checking sendAppendEntries for follower follower485: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:45:37,653 AM [main] [DEBUG] MockRaftActorContext - leader483 (IsolatedLeader): Checking sendAppendEntries for follower follower484: active: false, followerNextIndex: 1, leaderLastIndex: 4, leaderSnapShotIndex: -1 12:45:38,653 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior480#-1106030799] 12:45:38,664 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader481#-1622328538] 12:45:38,665 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender482#1859771875] 12:45:38,665 AM [main] [INFO] TestActorFactory - Killing actor TestActor[akka://test/user/leader483] 12:45:38,665 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower484#-56194144] 12:45:38,666 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/follower485#1595009069] 12:45:38,669 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,669 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,669 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=1, candidateId=test, lastLogIndex=10000, lastLogTerm=999] - currentTerm: 1, votedFor: test, lastIndex: 1, lastTerm: 1 12:45:38,669 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=true] 12:45:38,669 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior486#-646671655] 12:45:38,680 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader487#156985123] 12:45:38,680 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender488#288632610] 12:45:38,682 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,683 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,683 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): handleAppendEntries: AppendEntries [leaderId=leader-1, prevLogIndex=-1, prevLogTerm=-1, leaderCommit=2, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[SimpleReplicatedLogEntry [index=0, term=2, payload=zero]]] 12:45:38,683 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior489#1447447272] 12:45:38,694 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader490#-873734496] 12:45:38,694 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender491#1495096140] 12:45:38,697 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,697 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,697 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=1, candidateId=test, lastLogIndex=1999, lastLogTerm=1] - currentTerm: 1, votedFor: test, lastIndex: 2000, lastTerm: 1 12:45:38,697 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1, voteGranted=false] 12:45:38,697 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior492#-599107792] 12:45:38,708 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader493#-594634014] 12:45:38,708 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender494#1759693948] 12:45:38,710 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,710 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,710 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "AppendEntries [leaderId=leader-1, prevLogIndex=0, prevLogTerm=0, leaderCommit=1, replicatedToAllIndex=-1, payloadVersion=0, recipientRaftVersion=5, leaderRaftVersion=5, leaderAddress=null, entries=[]]" message is greater than leader's term 1 - switching to Follower 12:45:38,710 AM [main] [DEBUG] DefaultConfigParamsImpl - No custom RaftPolicy specified. Using DefaultRaftPolicy 12:45:38,710 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:45:38,710 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,710 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "AppendEntriesReply [term=100, success=false, followerId=follower-1, logLastIndex=100, logLastTerm=100, forceInstallSnapshot=false, needsLeaderAddress=false, payloadVersion=0, raftVersion=5, recipientRaftVersion=5]" message is greater than leader's term 1 - switching to Follower 12:45:38,710 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:45:38,711 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,711 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Found higher term in RequestVote rpc, verifying whether it's safe to update term. 12:45:38,711 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Cluster state: [] 12:45:38,711 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Candidate in requestVote:RequestVote [term=100, candidateId=candidate-1, lastLogIndex=10, lastLogTerm=100] with higher term appears reachable, updating term. 12:45:38,711 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "RequestVote [term=100, candidateId=candidate-1, lastLogIndex=10, lastLogTerm=100]" message is greater than leader's term 1 - switching to Follower 12:45:38,711 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:45:38,711 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,711 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Term 100 in "RequestVoteReply [term=100, voteGranted=false]" message is greater than leader's term 1 - switching to Follower 12:45:38,711 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader) :- Switching from behavior IsolatedLeader to Follower, election term: 100 12:45:38,711 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior495#-2028641881] 12:45:38,711 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader496#361218088] 12:45:38,711 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender497#-1217812331] 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from -1 to 1 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 0 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 0 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 0 to 1 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 0 for term 1 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 1 to 2 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: Moving last applied index from 2 to 2 12:45:38,713 AM [main] [DEBUG] MockRaftActorContext - test: fakeSnapshot purging log to 1 for term 1 12:45:38,713 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior498#-1118262573] 12:45:38,714 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader499#861247366] 12:45:38,714 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender500#-15070586] 12:45:38,718 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,718 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,718 AM [main] [INFO] MockRaftActorContext - isolated-leader (IsolatedLeader): Cannot append entries because sender's term 100 is less than 1000 12:45:38,718 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior501#-163211478] 12:45:38,719 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader502#578705474] 12:45:38,719 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender503#-639047226] 12:45:38,721 AM [main] [DEBUG] MockRaftActorContext - isolated-leader: Moving last applied index from -1 to 1 12:45:38,721 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): Election: Leader has following peers: [] 12:45:38,721 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): In requestVote: RequestVote [term=999, candidateId=test, lastLogIndex=10000, lastLogTerm=999] - currentTerm: 1000, votedFor: null, lastIndex: 1, lastTerm: 1 12:45:38,721 AM [main] [DEBUG] MockRaftActorContext - isolated-leader (IsolatedLeader): requestVote returning: RequestVoteReply [term=1000, voteGranted=false] 12:45:38,721 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/behavior504#-734657179] 12:45:38,721 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/leader505#920091378] 12:45:38,722 AM [main] [INFO] TestActorFactory - Killing actor Actor[akka://test/user/sender506#-664074412] 12:45:38,722 AM [test-akka.actor.default-dispatcher-6] [INFO] CoordinatedShutdown - Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [INFO] [11/12/2025 00:45:38.722] [main] [CoordinatedShutdown(akka://test)] Running CoordinatedShutdown with reason [ActorSystemTerminateReason] [WARN] [11/12/2025 00:45:38.723] [test-akka.actor.default-dispatcher-5] [akka://test/system/cluster/core/daemon] unhandled message from Actor[akka://test/deadLetters]: Leave(akka://test@10.30.170.150:25520) 12:45:38,724 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Exiting completed 12:45:38,724 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Shutting down... [INFO] [11/12/2025 00:45:38.723] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Exiting completed 12:45:38,724 AM [test-akka.actor.default-dispatcher-6] [INFO] Cluster - Cluster Node [akka://test@10.30.170.150:25520] - Successfully shut down [INFO] [11/12/2025 00:45:38.724] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Shutting down... [INFO] [11/12/2025 00:45:38.724] [test-akka.actor.internal-dispatcher-9] [Cluster(akka://test)] Cluster Node [akka://test@10.30.170.150:25520] - Successfully shut down [INFO] [11/12/2025 00:45:38.725] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.150:25520/system/remoting-terminator] Shutting down remote daemon. 12:45:38,725 AM [test-akka.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Shutting down remote daemon. [INFO] [11/12/2025 00:45:38.725] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.150:25520/system/remoting-terminator] Remote daemon shut down; proceeding with flushing remote transports. 12:45:38,726 AM [test-akka.actor.default-dispatcher-4] [INFO] RemoteActorRefProvider$RemotingTerminator - Remote daemon shut down; proceeding with flushing remote transports. [INFO] [11/12/2025 00:45:38.728] [test-akka.remote.default-remote-dispatcher-8] [akka://test@10.30.170.150:25520/system/remoting-terminator] Remoting shut down. 12:45:38,728 AM [test-akka.actor.default-dispatcher-6] [INFO] RemoteActorRefProvider$RemotingTerminator - Remoting shut down. [DEBUG] [11/12/2025 00:45:38.728] [test-akka.actor.internal-dispatcher-2] [EventStream] shutting down: StandardOutLogger